this post was submitted on 05 Dec 2023
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I wonder if it will work with the fake Wasabi that is all over outside of Japan, that's horseradish based. The chemical of the "spicy" part is the same, I believe. But getting real Wasabi anywhere in the states is expensive and has a shorter shelf life.
*Horseradish doesn't have any. So you'll have a harder time getting the 6-MSITC, but im sure they'll quickly be a supplement to buy.
It used to be that real wasabi only grew in Japan, though they started growing it in England and Iceland some years ago, so availability may improve. Though with its short shelf life, the stuff you get outside of specialist grocers and high-end restaurants will be a cheaper and hardier variety of horseradish.
It seems like it's being grown in a lot of places now. Many people in this thread have mentioned Oregon (USA), and I know it's also being grown in Tasmania (Australia).
There's one location on the Oregon coast that grows it in small quantities. They serve it at Zilla Sake in Portland.